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standard pistons and block.... : Tuning / Handling / Braking | Fiesta Forums

standard pistons and block....

CVH and Zetec tuning, suspension and braking mods.
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standard pistons and block....

Postby GrahamRS on Fri Mar 02, 2007 1:27 pm

how good are the standard pistons? just i had a 1640 block with mahle pistons, and they are becoming stupid to get hold of, and i would like to run about 14psi of boost, with all the mods done to my car... will the standard pistons hold up for a while?
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Postby GrahamRS on Fri Mar 02, 2007 4:06 pm

anyone?? :-?
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Postby wildheart on Fri Mar 02, 2007 5:47 pm

14psi will be fine aslong as the car is mapped ok.
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Postby essexrsturbo on Fri Mar 02, 2007 5:56 pm

hard to get hold of? are you joking?

and how can people think of using non-forged pistons for a turbo charged motor running 14psi
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Postby Excursion on Fri Mar 02, 2007 7:30 pm

Skim the standard pistons, they're fine for high power!
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Postby Oranoco on Fri Mar 02, 2007 7:44 pm

If you're carefull the stock pistons and compression will run 18psi or so. The setup needs to be done very carefully though by somebody experienced. Skimming the standard pistons is an acceptable method of dropping the compression but again this needs to be done by competent and experienced hands
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Postby heeman10 on Fri Mar 02, 2007 8:24 pm

essexrsturbo :and how can people think of using non-forged pistons for a turbo charged motor running 14psi

The standard FRST pistons are forged anyhoo :)
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Postby GrahamRS on Fri Mar 02, 2007 10:33 pm

yeh, well if it blows up it blows up, and i think ive found the pistons now.
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Postby BUTRE on Sat Mar 03, 2007 6:04 pm

I've seen std pistons handling 1.2bar and std pistons skimmed 60thou and running 1.1bar... I just don't know how long they will keep on handling that.

I belive that proper mapping with a proper management things go fine.

One thing is for sure: std pistons and std rods don't like been reved up 7000rpm.
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Postby essexrsturbo on Sat Mar 03, 2007 8:30 pm

heeman10 :
essexrsturbo :and how can people think of using non-forged pistons for a turbo charged motor running 14psi

The standard FRST pistons are forged anyhoo :)


by the way he wrote the first post i thought he ment a standad engine not fiesta turbo lump :lol:
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